Home / 11,366.42-15,686.15-6,330.64

Finding the Fourth Proportional to 11,366.42, 15,686.15 and 6,330.64

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Solution

The fourth proportional to 11,366.42, 15,686.15 and 6,330.64 is: 8,736.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,366.42 : 15,686.15 = 6,330.64 : x
  2. Step 2: Convert to fraction form
    11,366.42/15,686.15 = 6,330.64/x
  3. Step 3: Cross multiply
    11,366.42x = 15,686.15 × 6,330.64
  4. Step 4: Simplify right side
    11,366.42x = 99,303,336.98
  5. Step 5: Solve for x
    x = 99,303,336.98/11,366.42
  6. Step 6: Final answer
    x = 8,736.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.